ACT Heavy Duty Performance Street Sprung Clutch Kit with Monoloc – 2006 Subaru Impreza (6-Speed)

Take control of your 6-speed Impreza’s performance with the ACT Heavy Duty Performance Street Sprung Clutch Kit (SB10-HDSS). This clutch combines ACT’s proven Heavy Duty pressure plate, an organic street disc, and the patented Monoloc collar to deliver a powerful upgrade in drivability, torque capacity, and durability for both street and track use.

Key Features & Benefits

• High Torque Capacity: Handles up to 522 ft-lbs of torque—an increase of 45% over OEM capacity.
• Premium Organic Street Disc: Built with high copper content for superior heat transfer and a steel-backed lining for exceptional strength and reliability.
• ACT Heavy Duty Pressure Plate: Features a unique diaphragm design that increases clamp load while reducing deflection, resulting in longer clutch life and consistent engagement.
• Monoloc Upgrade Included: A single-piece chrome-moly collar designed to replace the standard two-piece setup, delivering precise pressure plate alignment and longer service life—ideal for modified vehicles and aggressive driving styles.
• Faster Shifts, Quiet Operation: Reduced marcel in the disc allows for quicker engagement with quiet, dependable performance under stress.

Technical Specifications

What to Expect

• Feel: Light to moderate pedal effort with smooth engagement. Offers OE to mild gear rattle and excellent shift confidence under load.
• Longevity: Extended clutch and release mechanism life thanks to ACT’s engineered diaphragm design and Monoloc construction.
• Build Quality: Assembled with close tolerances, premium friction materials, and dynamically balanced for reliability at high RPMs.

The ACT Difference

This clutch kit is 100% clamp load tested and dynamically balanced to meet the demands of high-performance street driving and light competition. With ACT’s patented Monoloc, this kit solves common wear issues in pull-type clutch systems, making it a smart, long-lasting upgrade for any performance-minded Impreza driver